CN211487168U - Metal smelting later stage spray set according to gas reposition of redundant personnel principle - Google Patents
Metal smelting later stage spray set according to gas reposition of redundant personnel principle Download PDFInfo
- Publication number
- CN211487168U CN211487168U CN201921998540.8U CN201921998540U CN211487168U CN 211487168 U CN211487168 U CN 211487168U CN 201921998540 U CN201921998540 U CN 201921998540U CN 211487168 U CN211487168 U CN 211487168U
- Authority
- CN
- China
- Prior art keywords
- gas
- fixedly connected
- pipe
- liquid
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to the technical field of non-ferrous metal smelting, and discloses a metal smelting later stage spraying device according to the gas diversion principle, which comprises a purifying box, wherein the top of the purifying box is fixedly connected with an air inlet pipe, the bottom of the air inlet pipe is fixedly connected with a gas diverter, the inside of the gas diverter is provided with a through hole, the inside of the gas diverter is fixedly connected with a liquid conveying pipe, and through the use of the gas diverter, when the gas is discharged from the air inlet pipe through the gas diverter, the discharge area of the gas is increased, the gas is uniformly discharged, the contact area of the gas and the purifying liquid is increased, and the gas is uniformly contacted with the purifying liquid, so that the gas is fully reacted with the purifying liquid when being discharged, and when the gas is discharged through the gas diverter, the gas flows from top to bottom in a concave hole of the gas diverter, the contact time of the gas and, further ensuring the purification effect of the gas.
Description
Technical Field
The utility model relates to a non ferrous metal smelting technical field specifically is a metal smelting later stage spray set according to gaseous reposition of redundant personnel principle.
Background
The non-ferrous metal is a general name of all metals except ferrous metal consisting of iron, manganese and chromium, has special properties such as corrosion resistance, wear resistance, electric conductivity, thermal conductivity, toughness, high strength, radioactivity, ductility, plasticity, compressibility and easy rolling property compared with the ferrous metal, is an indispensable important material for developing modern industry, modern national defense and modern scientific technology, and is required to be smelted when used for the non-ferrous metal, and smelting is an extraction technology which is used for extracting the metals in ores by roasting, smelting, electrolysis, using chemical agents and other methods; reducing impurities contained in the metal or increasing certain components in the metal to smelt the metal into the required metal.
And in the metal smelting process, can produce a large amount of harmful flue gases usually, if not through handling, discharge in the atmosphere, will produce serious pollution to the air, to the treatment of waste gas mode, main scavenging solution sprays the flue gas at present to reach the effect of purifying the flue gas, but current spray set, it is relatively poor to spray the effect, and the scavenging solution can't fully react with the flue gas, has just so reduced spray set's work efficiency, thereby has influenced flue gas purification device's purification efficiency.
In order to solve the problems, the utility model provides a metal smelting later stage spraying device according to the gas shunting principle, which has the advantages of uniform gas diffusion, sufficient contact between gas and purifying liquid, long contact time between gas and purifying liquid, good spraying effect, good purifying effect and high purifying efficiency, through the use of the gas diverter, when the gas is discharged from the gas inlet pipe through the gas diverter, the gas discharge area is increased, the gas is uniformly discharged, the contact area between the gas and the purifying liquid is increased, and the gas is uniformly contacted with the purifying liquid, so that the gas is fully reacted with the purifying liquid when the gas is discharged, and when the gas is discharged through the gas diverter, the gas flows from top to bottom in a concave hole of the gas diverter, the contact time between the gas and the purifying liquid is increased, and the reaction time between the gas and the purifying liquid is increased, further guarantee gaseous purifying effect, solved and sprayed the effect relatively poor, the scavenging solution can't fully react with the flue gas, the poor problem of purification efficiency.
SUMMERY OF THE UTILITY MODEL
For realizing that above-mentioned gas diffusion is even, gaseous and the scavenging solution contact is abundant, and gaseous and scavenging solution contact time is long, sprays effectually, and purifying effect is good, the high purpose of purification efficiency, the utility model provides a following technical scheme: the utility model provides a metal smelting later stage spray set according to gaseous reposition of redundant personnel principle, includes purifying box, intake pipe, gaseous shunt, through-hole, transfer line, outer shower, interior shower, filter, gasket, installation piece, sealing strip, bolt installation piece, outlet duct, filtration stopper, flowing back valve, liquid reserve tank, liquid outlet, inlet, agitator motor, (mixing) shaft, stirring leaf, immersible pump.
The positions and the connection relations of the structures are as follows:
the top of the purification box is fixedly connected with an air inlet pipe, the bottom of the air inlet pipe is fixedly connected with a gas splitter, the inside of the gas splitter is provided with a through hole, the inside of the gas splitter is fixedly connected with a liquid conveying pipe, the outside of the liquid conveying pipe is fixedly connected with an outer spraying pipe, the bottom of the outer spraying pipe is fixedly connected with an outer nozzle, the bottom of the liquid conveying pipe is fixedly connected with an inner spraying pipe, the outside of the inner spraying pipe is fixedly connected with an inner nozzle, the inside of the purification box is movably connected with a filter plate, the outside of the filter plate is fixedly connected with a sealing sheet and an installation sheet, the outside of the sealing sheet is movably connected with a sealing strip, the inside of the installation sheet is movably connected with a bolt, the outside of the bolt is in threaded connection with a bolt installation block, the outside, the bottom swing joint of filtering the stopper has the flowing back valve, the bottom fixedly connected with liquid reserve tank of purifying box, the outside fixedly connected with liquid outlet and the inlet of liquid reserve tank, the top fixedly connected with agitator motor of liquid reserve tank, agitator motor's bottom fixedly connected with (mixing) shaft, the bottom fixedly connected with stirring leaf of (mixing) shaft, the bottom fixed connection immersible pump of liquid reserve tank.
Preferably, the gas splitter is in an inverted cylinder shape, the cross section of the gas splitter is in an inverted concave shape, and the through hole is formed in the inner wall of the concave hole of the gas splitter.
Preferably, the infusion tube is fixedly connected with the air inlet tube, and the infusion tube penetrates through the tube wall of the air inlet tube and is communicated into the air inlet tube.
Preferably, the outer spraying pipe is fixedly connected to the inner top of the purifying box, penetrates through the pipe wall of the air inlet pipe, and is fixedly connected with the infusion pipe inside the air inlet pipe.
Preferably, the inner spray pipe is located inside the concave hole of the gas splitter, and the length of the inner spray pipe is matched with the depth of the concave hole of the gas splitter in size.
Preferably, the filter plate is positioned below the gas splitter, and the bolt mounting block is fixedly connected with the purification box.
Preferably, the position of the air outlet pipe is positioned below the filter plate.
Preferably, the submersible pump is fixedly connected with the infusion tube.
(III) advantageous effects
Compared with the prior art, the utility model provides a metal smelting later stage spray set according to gaseous reposition of redundant personnel principle possesses following beneficial effect:
1. this metal smelting later stage spray set according to gas reposition of redundant personnel principle, use through the gas shunt, thereby when making gas pass through the gas shunt discharge from the intake pipe, increase gaseous discharge area, make gaseous even discharge, increase the area of contact of gaseous and purifying liquid, and with the even contact of purifying liquid, fully react with the purifying liquid when making gas discharge, and when gaseous passes through the gas shunt discharge, top-down flows in the gas shunt shrinkage pool, increase the contact time of gaseous and purifying liquid, increase the reaction time of gaseous and purifying liquid, further guarantee gaseous purifying effect.
2. This metal smelting later stage spray set according to gas reposition of redundant personnel principle uses through the cooperation of outer shower and interior shower to reach the effect that fully sprays, increased the reaction efficiency of purifying liquid and gas, increased gaseous purifying effect.
3. This metal smelting later stage spray set according to gaseous reposition of redundant personnel principle uses through the cooperation of filter, gasket and installation piece to reached filtration purifying liquid and gaseous effect, further guaranteed gaseous purifying effect, filtration purifying liquid simultaneously collects the solid residue that produces, and can conveniently take out the filter through opening the bolt, makes things convenient for the washing and the change of filter.
4. This metal smelting later stage spray set according to gas reposition of redundant personnel principle uses through the cooperation of filtering stopper and flowing back valve to reach the effect of secondary filter purifying liquid, guarantee not have unnecessary residue in the purifying liquid, the purifying liquid flows into the liquid reserve tank through the flowing back valve simultaneously, reaches the cyclic utilization's of purifying liquid effect, the using water wisely practices thrift the cost.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention;
FIG. 3 is a schematic view of the connection of the gas splitter, the outer shower and the inner shower according to the present invention;
fig. 4 is a schematic view of the gas flowing state in the purifying box of the present invention.
In the figure: the device comprises a purification box-1, an air inlet pipe-2, a gas splitter-3, a through hole-4, a liquid conveying pipe-5, an outer spray pipe-6, an outer spray head-7, an inner spray pipe-8, an inner spray head-9, a filter plate-10, a sealing sheet-11, a mounting sheet-12, a sealing strip-13, a bolt-14, a bolt mounting block-15, an air outlet pipe-16, a filter plug-17, a liquid discharge valve-18, a liquid storage box-19, a liquid outlet-20, a liquid inlet-21, a stirring motor-22, a stirring shaft-23, a stirring blade-24 and a submersible pump-25.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a spraying device for later stage of metal smelting according to the principle of gas diversion comprises a purifying box 1, an air inlet pipe 2, a gas diverter 3, a through hole 4, a liquid conveying pipe 5, an outer spraying pipe 6, an outer spray head 7, an inner spraying pipe 8, an inner spray head 9, a filter plate 10, a sealing plate 11, a mounting plate 12, a sealing strip 13, a bolt 14, a bolt mounting block 15, an air outlet pipe 16, a filter plug 17, a liquid discharge valve 18, a liquid storage box 19, a liquid outlet 20, a liquid inlet 21, a stirring motor 22, a stirring shaft 23, a stirring blade 24 and a submersible pump 25.
The positions and the connection relations of the structures are as follows:
the top of the purifying box 1 is fixedly connected with an air inlet pipe 2, the bottom of the air inlet pipe 2 is fixedly connected with an air splitter 3, a through hole 4 is arranged inside the air splitter 3, the air splitter 3 is in an inverted cylinder shape, the cross section is in an inverted concave shape, the through hole 4 is arranged on the inner wall of a concave hole of the air splitter 3, through the use of the air splitter 3, when air is discharged from the air inlet pipe 2 through the air splitter 3, the discharge area of the air is increased, the air is uniformly discharged, the contact area of the air and the purifying liquid is increased, the air is uniformly contacted with the purifying liquid, the air is fully reacted with the purifying liquid when being discharged, and when the air is discharged through the air splitter 3, the air flows from top to bottom in the concave hole of the air splitter 3, the contact time of the air and the purifying liquid is increased, the reaction time of the air and the purifying liquid is increased, the, the infusion tube 5 is fixedly connected with the air inlet pipe 2, the infusion tube 5 penetrates through the tube wall of the air inlet pipe 2 and is communicated into the air inlet pipe 2, the outer part of the infusion tube 5 is fixedly connected with an outer spraying tube 6, the outer spraying tube 6 is fixedly connected with the inner top part of the purifying box 1, and the outer spraying tube 6 penetrates through the tube wall of the air inlet pipe 2, the inner part of the air inlet pipe 2 is fixedly connected with an infusion pipe 5, the bottom of the outer spray pipe 6 is fixedly connected with an outer spray head 7, the bottom of the infusion pipe 5 is fixedly connected with an inner spray pipe 8, the inner spray pipe 8 is positioned inside a concave hole of the gas splitter 3, the length of the inner spray pipe 8 is matched with the depth size of the concave hole of the gas splitter 3, and the outer spray pipe 6 and the inner spray pipe 8 are matched for use, thereby reached the effect that fully sprays, increased the reaction efficiency of purifying liquid and gaseous, increased gaseous purifying effect, shower nozzle 9 in the outside fixedly connected with of interior shower pipe 8.
The inside swing joint of purifying box 1 has filter 10, filter 10 is located the below of gas shunt 3, and bolt installation piece 15 and purifying box 1 fixed connection, the outside fixed connection of filter 10 has gasket 11 and installation piece 12, use through the cooperation of filter 10, gasket 11 and installation piece 12, thereby the effect of filtering purifying liquid and gas has been reached, further guarantee gaseous purifying effect, filter purifying liquid simultaneously, collect the solid residue that produces, and can be through opening bolt 14, conveniently take out filter 10, facilitate the washing and the change of filter 10, the outside swing joint of gasket 11 has sealing strip 13, the inside swing joint of installation piece 12 has bolt 14, the outside threaded connection of bolt 14 has bolt installation piece 15, the outside fixed connection of purifying box 1 has outlet duct 16, the position of outlet duct 16 is located the below of filter 10, the bottom swing joint of purifying box 1 has filtering plug 17, the bottom swing joint of filtering plug 17 has flowing back valve 18, cooperation through filtering plug 17 and flowing back valve 18 is used, thereby reach the effect of secondary filtration purifying liquid, guarantee that there is not unnecessary residue in the purifying liquid, the purifying liquid passes through flowing back valve 18 and flows into liquid reserve tank 19 simultaneously, reach the cyclic utilization's of purifying liquid effect, water saving, the cost is saved, the bottom fixedly connected with liquid reserve tank 19 of purifying box 1, the outside fixedly connected with liquid outlet 20 and the inlet 21 of liquid reserve tank 19, the top fixedly connected with agitator motor 22 of liquid reserve tank 19, agitator motor 22's bottom fixedly connected with (mixing) shaft 23, the bottom fixedly connected with stirring leaf 24 of (mixing) shaft 23, the bottom fixedly connected with immersible pump 25 of liquid reserve tank 19, immersible pump 25 and 5 fixed connection of transfer line.
The working process and the principle are that gas enters a gas splitter 3 through an air inlet pipe 2, the gas is uniformly discharged through holes 4 due to the fact that the through holes 4 are formed in the concave hole of the gas splitter 3, the gas is fixedly connected with an inner spray pipe 8 in the concave hole of the gas splitter 3, the inner spray pipe 8 is fixedly connected with an inner spray head 9, the inner spray head 9 sprays purification liquid, the purification liquid and the gas can fully react, the gas starts to move upwards due to gravity, after reaching the top of the concave hole of the top gas splitter 3, the gas starts to move downwards under the action of follow-up gas, the reaction time of the gas and the purification liquid is prolonged, the gas is fully purified, when the gas overflows from the concave hole of the gas splitter 3, the outer spray pipe 6 sprays the purification liquid through an outer spray head 7, the gas can secondarily react with the purification liquid, the evolution effect is fully guaranteed, and the purification liquid, The filter plug 17 and the drain valve 18 are discharged into the liquid storage tank 19, so that the effect of recycling the purified liquid is achieved.
To sum up, this metal smelting later stage spray set according to gas reposition of redundant personnel principle, use through gas shunt 3, thereby when making gas pass through gas shunt 3 discharge from intake pipe 2, increase gaseous discharge area, make gaseous even discharge, increase the area of contact of gaseous and purifying liquid, and with the even contact of purifying liquid, fully react with the purifying liquid when making gas discharge, and when gaseous through gas shunt 3 discharge, flow in gas shunt 3 shrinkage pool top-down, increase the contact time of gaseous and purifying liquid, increase the reaction time of gaseous and purifying liquid, further guarantee gaseous purifying effect.
Simultaneously, through the cooperation of outer shower 6 and interior shower 8 use to reach the effect that fully sprays, increased the reaction efficiency of purifying liquid and gaseous, increased gaseous purifying effect.
Simultaneously, use through the cooperation of filter 10, gasket 11 and installation piece 12 to reached filtration purifying liquid and gaseous effect, further guaranteed gaseous purifying effect, filtration purifying liquid collects the solid residue that produces simultaneously, and can conveniently take out filter 10 through opening bolt 14, makes things convenient for the washing and the change of filter 10.
Simultaneously, use through the cooperation of filter stopper 17 and flowing back valve 18 to reach the effect of secondary filter purifying liquid, guarantee not have unnecessary residue in the purifying liquid, the purifying liquid flows into liquid reserve tank 19 through flowing back valve 18 simultaneously, reaches the cyclic utilization's of purifying liquid effect, using water wisely practices thrift the cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a metal smelting later stage spray set according to gaseous reposition of redundant personnel principle, includes purifying box (1), its characterized in that: the top of the purifying box (1) is fixedly connected with an air inlet pipe (2), the bottom of the air inlet pipe (2) is fixedly connected with a gas splitter (3), a through hole (4) is formed in the gas splitter (3), the inside of the gas splitter (3) is fixedly connected with an infusion pipe (5), the outside of the infusion pipe (5) is fixedly connected with an outer spray pipe (6), the bottom of the outer spray pipe (6) is fixedly connected with an outer spray head (7), the bottom of the infusion pipe (5) is fixedly connected with an inner spray pipe (8), the outside of the inner spray pipe (8) is fixedly connected with an inner spray head (9), the inside of the purifying box (1) is movably connected with a filter plate (10), the outside of the filter plate (10) is fixedly connected with a sealing plate (11) and a mounting plate (12), and the outside of the sealing plate (11) is movably connected with a, a bolt (14) is movably connected inside the mounting piece (12), a bolt mounting block (15) is connected with the outer part of the bolt (14) in a threaded manner, an air outlet pipe (16) is fixedly connected with the outside of the purifying box (1), the bottom of the purifying box (1) is movably connected with a filtering plug (17), the bottom of the filter plug (17) is movably connected with a liquid discharge valve (18), the bottom of the purifying box (1) is fixedly connected with a liquid storage box (19), a liquid outlet (20) and a liquid inlet (21) are fixedly connected with the outside of the liquid storage tank (19), the top of the liquid storage tank (19) is fixedly connected with a stirring motor (22), the bottom of the stirring motor (22) is fixedly connected with a stirring shaft (23), the bottom fixedly connected with stirring leaf (24) of (mixing) shaft (23), the bottom fixed connection immersible pump (25) of liquid reserve tank (19).
2. The metal smelting late stage spray set according to the gas diversion principle of claim 1, wherein: the gas splitter (3) is in an inverted cylinder shape, the cross section of the gas splitter is in an inverted concave shape, and the through hole (4) is formed in the inner wall of the concave hole of the gas splitter (3).
3. The metal smelting late stage spray set according to the gas diversion principle of claim 1, wherein: the infusion tube (5) is fixedly connected with the air inlet tube (2), and the infusion tube (5) penetrates through the tube wall of the air inlet tube (2) and is communicated into the air inlet tube (2).
4. The metal smelting late stage spray set according to the gas diversion principle of claim 1, wherein: the outer spraying pipe (6) is fixedly connected to the inner top of the purifying box (1), the outer spraying pipe (6) penetrates through the pipe wall of the air inlet pipe (2), and the inner portion of the air inlet pipe (2) is fixedly connected with the infusion pipe (5).
5. The metal smelting late stage spray set according to the gas diversion principle of claim 1, wherein: interior shower pipe (8) are located the inside of gas flow divider (3) shrinkage pool, the length of interior shower pipe (8) and the degree of depth size adaptation of gas flow divider (3) shrinkage pool.
6. The metal smelting late stage spray set according to the gas diversion principle of claim 1, wherein: the filter plate (10) is located below the gas splitter (3), and the bolt mounting block (15) is fixedly connected with the purifying box (1).
7. The metal smelting late stage spray set according to the gas diversion principle of claim 1, wherein: the position of the air outlet pipe (16) is positioned below the filter plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998540.8U CN211487168U (en) | 2019-11-19 | 2019-11-19 | Metal smelting later stage spray set according to gas reposition of redundant personnel principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998540.8U CN211487168U (en) | 2019-11-19 | 2019-11-19 | Metal smelting later stage spray set according to gas reposition of redundant personnel principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211487168U true CN211487168U (en) | 2020-09-15 |
Family
ID=72410032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921998540.8U Active CN211487168U (en) | 2019-11-19 | 2019-11-19 | Metal smelting later stage spray set according to gas reposition of redundant personnel principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211487168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112915708A (en) * | 2021-01-29 | 2021-06-08 | 常州大学 | Purifying tower for treating atmospheric pollution |
-
2019
- 2019-11-19 CN CN201921998540.8U patent/CN211487168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112915708A (en) * | 2021-01-29 | 2021-06-08 | 常州大学 | Purifying tower for treating atmospheric pollution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211487168U (en) | Metal smelting later stage spray set according to gas reposition of redundant personnel principle | |
| CN102995095A (en) | Chromium fog waste gas recovery treatment device | |
| CN213388928U (en) | Tombarthite electrolysis trough waste gas recovery device | |
| CN112892193A (en) | Metal smelting later stage spray set according to gas reposition of redundant personnel principle | |
| CN202270453U (en) | Waste gas purifying system in metal acid cleaning | |
| CN207062004U (en) | A kind of precise filtering device of cobalt ambrose alloy hydrometallurgy waste water | |
| CN203128686U (en) | Chromium fog waste gas recovery treatment device | |
| CN213077912U (en) | A smoke and dust collection processing system for strengthening in nylon production line | |
| CN214611957U (en) | Metal recovery device of waste plastic plated part | |
| CN217109154U (en) | System for supplying water for water seal gate valve by using circulating ammonia water | |
| CN206391855U (en) | A kind of spray atomizing dust arrester suitable for graphitizing furnace waste gas | |
| CN205109293U (en) | Fire smoke and dust hydrator for burning furnace | |
| CN211611974U (en) | Filtering device for scrap steel smelting | |
| CN209848569U (en) | Flue gas purification device for treating chemical iron mud and zinc tailings | |
| CN208327693U (en) | Sewage-treatment plant is used in a kind of production of aluminium alloy building-material | |
| CN206198788U (en) | A kind of chrome waste water processes complexes mechanical filter | |
| CN205886371U (en) | Antifouling stifled device of pipeline enclosure | |
| CN218321232U (en) | Energy-concerving and environment-protective wet quenching tower | |
| CN205838757U (en) | A kind of efficient water quality heavy metal processing equipment | |
| CN214611934U (en) | Vanadium-containing wastewater treatment device based on catalyst regeneration technology | |
| CN218590104U (en) | Calcining flue gas treatment device | |
| CN218573112U (en) | Waste gas purification environmental protection equipment | |
| CN208990547U (en) | A kind of desulfurizing tower efficient spray device | |
| CN212870700U (en) | Rotary kiln slag flushing pool flue gas collection device | |
| CN218573285U (en) | Lead-zinc smelting waste gas treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230113 Address after: 441200 Workshop 13, Electronic Science and Technology Industrial Park, Yangguang Road, Beicheng Street, Zaoyang City, Xiangyang City, Hubei Province Patentee after: Hubei Xingong Intelligent Manufacturing Co.,Ltd. Address before: 412007 No. 88 Taishan Road, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: HUNAN University OF TECHNOLOGY |
|
| TR01 | Transfer of patent right |